1172053896 has 64 divisors (see below), whose sum is σ = 3163379520. Its totient is φ = 359735040.

The previous prime is 1172053877. The next prime is 1172053901. The reversal of 1172053896 is 6983502711.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126891 + ... + 135813.

It is an arithmetic number, because the mean of its divisors is an integer number (49427805).

Almost surely, 2^1172053896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172053896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581689760).

1172053896 is an abundant number, since it is smaller than the sum of its proper divisors (1991325624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1172053896 is a wasteful number, since it uses less digits than its factorization.

1172053896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366 (or 9362 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1172053896 is about 34235.2726876828. The cubic root of 1172053896 is about 1054.3444775126.

The spelling of 1172053896 in words is "one billion, one hundred seventy-two million, fifty-three thousand, eight hundred ninety-six".